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Benchmark 750-3000 Boiler Operation & Maintenance Manual
SECTION 2: OPERATION
2.8.3 BMK 2500/3000 COMBUSTION CAL Menus
TABLE 2-8a: COMBUSTION CAL Menu: BMK 2500/3000
SINGLE FUEL – NATURAL GAS
MENU ITEM DISPLAY
CAL Voltage 16%
1
CAL Voltage 14%
2
CAL Voltage 30%
3
CAL Voltage 40%
4
CAL Voltage 50%
5
CAL Voltage 70%
6
CAL Voltage 100%
7
SET Valve Position
8
Blower Output
9
Set Stdby Volt
10
Oxygen Level
TABLE 2-8b: COMBUSTION CAL Menu: BMK 2500/3000
MENU ITEM DISPLAY
CAL Voltage: 14%
CAL Voltage: 16%
1
CAL Voltage: 18%
CAL Voltage: 20%
CAL Voltage: 22%
2
CAL Voltage 30%
3
CAL Voltage 45%
4
CAL Voltage 65%
CAL Voltage 70%
5
CAL Voltage 75%
CAL Voltage 85%
6
CAL Voltage 100%
7
SET Valve Position
8
Blower Output
9
Set Stdby Volt
10
Oxygen Level
* The default values for Natural Gas on Dual Fuel units are different than the default values for
Natural Gas on Single Fuel units. These values shown DO NOT APPLY to single fuel units.
OMM-0122_D • GF-206 • 5/9/2019
MINIMUM
MAXIMUM
0.25
10.00
0.25
10.00
0.25
10.00
0.25
10.00
0.25
10.00
0.25
10.00
0%
100%
Displays current value
0
10.00 V
Displays current value
MINIMUM
MAXIMUM
0.25
10.00
0.25
10.00
0.25
10.00
0.25
10.00
0.25
10.00
0.25
10.00
0.25
10.00
0.25
10.00
0.25
10.00
0.25
10.00
0.25
10.00
0.25
10.00
0
100
0
10.0
Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST
DEFAULT
BMK 2500
2.20
–
4.10
4.80
5.30
6.80
8.50
Variable
2.00 V
DUAL FUEL
DEFAULT
*
NATURAL GAS
BMK 2500
BMK 3000
–
2.40
2.15
–
–
–
2.10
–
–
–
5.40
3.90
6.60
5.60
–
7.00
6.60
–
–
–
8.00
–
8.70
8.50
Variable
Displays current value
2.00
2.00
Displays current value
BMK 3000
–
2.80
4.60
5.00
5.50
6.90
9.10
2.00 V
PROPANE
BMK 2500
BMK 3000
–
–
–
–
2.00
2.30
–
–
2.00
–
3.30
4.40
4.60
5.40
–
5.70
5.60
–
–
–
–
7.00
7.90
8.60
2.00
2.00
Page 25 of 164
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